> > Patch 8.2.3315
> > Problem: Cannot use single quote in a float number for readability.
> > Solution: Support single quotes like in numbers. (closes #8713)
> > Files: src/typval.c, src/float.c, src/proto/float.pro, src/json.c,
> > src/viminfo.c, src/testdir/test_float_func.vim
>
> 1) Looking at the following page which shows language supporting
> digit separators https://rosettacode.org/wiki/Numeric_separator_syntax
> the underscore separator appears to be more popular than
> the single quote separator. It may also make it simpler for
> syntax highlighting as single quotes are used for strings.
>
> Was underscore considered? Vim9 being experimental,
> there is still time to change if we want. Anyway, I'm fine
> either way.
I think using underscore for separation is a really bad idea. It's
quite hard to parse, it's too similar to a dot. I know of no locale
supporting it. It's only used in programming languages, afaik. It
became popular because Java supports it. Java has made several bad
choices, thus that's not a good reason to do the same.
The single quote is used in some places, it is very common in
Switzerland (the land of banks). It makes the numbers easy to read.
You can use them without any context, the reader intuitively understands
what it means.
> 2) In blobs, we already had a separator which was dot.
> as in 0z1234.567. The inconsistency is a bit annoying.
We could use the quote in blobs too. I'm actually not sure why we used
the dot, perhaps because in some currencies it is used: 123.456.789,00 euro
is 123456789 euro. But it depends on the locale how dot and comma are
used, which is a hassle in the international internet.
> 3) what digit separators for integers? Including hex,
> binary, octal integers?
Should be able to use single quote too.
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